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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pmj</journal-id><journal-title-group><journal-title xml:lang="ru">Тихоокеанский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Pacific Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-1175</issn><publisher><publisher-name>TGMU</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">pmj-743</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОБЗОРЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REVIEWS</subject></subj-group></article-categories><title-group><article-title>РОЛЬ МЕТИЛИРОВАНИЯ ДНК И СОСТОЯНИЯ ФОЛАТНОГО ОБМЕНА В РАЗВИТИИ ПАТОЛОГИЧЕСКИХ ПРОЦЕССОВ В ОРГАНИЗМЕ ЧЕЛОВЕКА</article-title><trans-title-group xml:lang="en"><trans-title>ROLE OF DNA METHYLATION AND FOLATE METABOLISM IN THE DEVELOPMENT OF PATHOLOGICAL PROCESSES IN THE HUMAN BODY</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шуматова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shumatova</surname><given-names>T. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Приходченко</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Prikhodchenko</surname><given-names>N. G.</given-names></name></name-alternatives><email xlink:type="simple">prikhodchenko_n@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оденбах</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Odenbakh</surname><given-names>L. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефремова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Efremova</surname><given-names>I. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2013</year></pub-date><volume>0</volume><issue>4</issue><fpage>39</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шуматова Т.А., Приходченко Н.Г., Оденбах Л.А., Ефремова И.В., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Шуматова Т.А., Приходченко Н.Г., Оденбах Л.А., Ефремова И.В.</copyright-holder><copyright-holder xml:lang="en">Shumatova T.A., Prikhodchenko N.G., Odenbakh L.A., Efremova I.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.tmj-vgmu.ru/jour/article/view/743">https://www.tmj-vgmu.ru/jour/article/view/743</self-uri><abstract><p>Обзор литературы, посвященный роли метилирования ДНК в физиологии и патологии человека. Рассмотрены влияние эпигенотипа на генотип, факторы, активирующие и подавляющие процессы метилирования ДНК и деацетилирование гистонов, роль состояния фолатного обмена в развитии патологических процессов. Особое внимание уделено роли генов, кодирующих ферменты фолатного цикла, поскольку дефицит метильных групп напрямую связан с их полиморфизмами. Показано, что полиморфные варианты генов MTHFR, MTRR и MTR, обусловливая различную функциональную значимость белковых продуктов, влияют на широкий спектр биохимических реакций в ходе фолатного цикла и, по мнению ряда авторов, могут рассматриваться как фактор риска развития целого ряда заболеваний.</p></abstract><trans-abstract xml:lang="en"><p>The review was devoted the current understanding of the role of DNA methylation in the physiology and pathology of the human body. It was revealed the influence of genotype on epigenotype, the factors that trigger and suppress the processes of DNA methylation and histone deacetylation, the role of the state of folate metabolism in the development of pathological processes. Special attention was paid to the role of genes encoding enzymes of folate cycle, since lack of methyl groups directly linked to polymorphisms in these genes. It was shown that polymorphic variants of genes MTHFR, MTRR and MTR, causing different functional significance of protein products affect a wide range of biochemical reactions in the folate cycle, and, according to some authors, can be regarded as a risk factor for a number of diseases</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эпигенетика</kwd><kwd>онтогенез</kwd><kwd>фолатный цикл</kwd><kwd>гомоцистеин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>epigenetics</kwd><kwd>ontogenesis</kwd><kwd>folate cycle</kwd><kwd>homocysteine</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Ванюшин Б.Ф. Метилирование ДНК и эпигенетика // Генетика. 2006. Т. 42, № 9. С. 1186-1199.</mixed-citation><mixed-citation xml:lang="en">Ванюшин Б.Ф. Метилирование ДНК и эпигенетика // Генетика. 2006. Т. 42, № 9. 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